Find the perimeter. Use 3.14 for ?.
A. 55.928 km
B. 135.512 km
C. 72.256 km
D. 167.316 km
Answer: A
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Use units to help you answer the question. If necessary, round your answer to two decimal places.Assuming that your heart beats 70 times per minute, how many times does your heart beat in 6 days?
A. 201,600 B. 604,800 C. 36,288,000 D. 25,200
Find the equation of the indicated least-squares curve. Sketch the curve and plot the data points on the same graph.For the points on the following table, find the least-squares curve y = m(10x) + b.
A. y = 0.0098(10x) - 2.349
B. y = 0.0063(10x) - 2.647
C. y = 0.052(10x) - 3.187
D. y = 0.147(10x) + 0.63
The graph of a logarithmic function is shown. Select the function which matches the graph.
A. y = log (x) - 1 B. y = 1 - log (x) C. y = log (x - 1) D. y = log (1 - x)
Find the expected value.A fair coin is tossed three times, and a player wins $3 if 3 tails occur, wins $2 if 2 tails occur and loses $3 if no tails occur. If one tail occurs, no one wins. What is the expected value of the games?
A. $0.75 B. $2.00 C. -$3.00 D. $3.00